Package com.blazebit.persistence.parser.predicate

Class IsEmptyPredicate

java.lang.Object

com.blazebit.persistence.parser.expression.AbstractExpression

com.blazebit.persistence.parser.predicate.AbstractPredicate

com.blazebit.persistence.parser.predicate.UnaryExpressionPredicate

com.blazebit.persistence.parser.predicate.IsEmptyPredicate

All Implemented Interfaces:

Expression, Negatable, Predicate

public class IsEmptyPredicate
extends UnaryExpressionPredicate

Since:

1.0.0

Author:

Christian Beikov, Moritz Becker

Nested Class Summary

Nested classes/interfaces inherited from interface com.blazebit.persistence.parser.expression.Expression

Expression.ResultVisitor<T>, Expression.Visitor

Field Summary

Fields inherited from class com.blazebit.persistence.parser.predicate.UnaryExpressionPredicate

expression

Fields inherited from class com.blazebit.persistence.parser.predicate.AbstractPredicate

negated

Constructor Summary

Constructors

Constructor	Description
IsEmptyPredicate(Expression expression)
IsEmptyPredicate(Expression expression, boolean negated)

Method Summary

Modifier and Type	Method	Description
<T> T	accept(Expression.ResultVisitor<T> visitor)
void	accept(Expression.Visitor visitor)	The expression tree is traversed in pre-order.
IsEmptyPredicate	copy(ExpressionCopyContext copyContext)

Methods inherited from class com.blazebit.persistence.parser.predicate.UnaryExpressionPredicate

equals, getExpression, hashCode, setExpression

Methods inherited from class com.blazebit.persistence.parser.predicate.AbstractPredicate

isNegated, negate, setNegated

Methods inherited from class com.blazebit.persistence.parser.expression.AbstractExpression

toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.blazebit.persistence.parser.expression.Expression

toString

Constructor Details

IsEmptyPredicate

public IsEmptyPredicate(Expression expression)

IsEmptyPredicate

public IsEmptyPredicate(Expression expression, boolean negated)

Method Details

copy

public IsEmptyPredicate copy(ExpressionCopyContext copyContext)

Specified by:

copy in interface Expression

Specified by:

copy in interface Predicate

Specified by:

copy in class UnaryExpressionPredicate

Returns:

accept

public void accept(Expression.Visitor visitor)

Description copied from interface: Expression

The expression tree is traversed in pre-order.

accept

public <T> T accept(Expression.ResultVisitor<T> visitor)